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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_embeddedobj.hxx"

#include "mainthreadexecutor.hxx"

#include <vcl/svapp.hxx>

using namespace ::com::sun::star;

//-------------------------------------------------------------------------
uno::Sequence< ::rtl::OUString > SAL_CALL MainThreadExecutor::impl_staticGetSupportedServiceNames()
{
    uno::Sequence< ::rtl::OUString > aRet(2);
    aRet[0] = ::rtl::OUString::createFromAscii("com.sun.star.thread.MainThreadExecutor");
    aRet[1] = ::rtl::OUString::createFromAscii("com.sun.star.comp.thread.MainThreadExecutor");
    return aRet;
}

//-------------------------------------------------------------------------
::rtl::OUString SAL_CALL MainThreadExecutor::impl_staticGetImplementationName()
{
    return ::rtl::OUString::createFromAscii("com.sun.star.comp.thread.MainThreadExecutor");
}

//-------------------------------------------------------------------------
uno::Reference< uno::XInterface > SAL_CALL MainThreadExecutor::impl_staticCreateSelfInstance(
			const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
{
	return uno::Reference< uno::XInterface >( *new MainThreadExecutor( xServiceManager ) );
}

//-------------------------------------------------------------------------
uno::Any SAL_CALL MainThreadExecutor::execute( const uno::Sequence< beans::NamedValue >& aArguments )
	throw ( lang::IllegalArgumentException,
			uno::Exception,
			uno::RuntimeException )
{
	uno::Reference< task::XJob > xJob;
	uno::Sequence< beans::NamedValue > aValues;
	sal_Int32 nValuesSize = 0;
	
	for ( sal_Int32 nInd = 0; nInd < aArguments.getLength(); nInd++ )
		if ( aArguments[nInd].Name.equalsAscii( "JobToExecute" ) )
			aArguments[nInd].Value >>= xJob;
		else
		{
			aValues.realloc( ++nValuesSize );
			aValues[nValuesSize-1].Name = aArguments[nInd].Name;
			aValues[nValuesSize-1].Value = aArguments[nInd].Value;
		}

	if ( xJob.is() )
	{
		MainThreadExecutorRequest* pMainThreadExecutorRequest = new MainThreadExecutorRequest( xJob, aValues );
		Application::PostUserEvent( STATIC_LINK( NULL, MainThreadExecutor, worker ), pMainThreadExecutorRequest );
	}

	// TODO: wait for result
	return uno::Any();
}

//-------------------------------------------------------------------------
IMPL_STATIC_LINK( MainThreadExecutor, worker, MainThreadExecutorRequest*, pThreadExecutorRequest )
{
	pThreadExecutorRequest->doIt();

	delete pThreadExecutorRequest;
	return 0;
}

//-------------------------------------------------------------------------
::rtl::OUString SAL_CALL MainThreadExecutor::getImplementationName()
		throw ( uno::RuntimeException )
{
	return impl_staticGetImplementationName();
}

//-------------------------------------------------------------------------
sal_Bool SAL_CALL MainThreadExecutor::supportsService( const ::rtl::OUString& ServiceName )
		throw ( uno::RuntimeException )
{
	uno::Sequence< ::rtl::OUString > aSeq = impl_staticGetSupportedServiceNames();

	for ( sal_Int32 nInd = 0; nInd < aSeq.getLength(); nInd++ )
    	if ( ServiceName.compareTo( aSeq[nInd] ) == 0 )
        	return sal_True;

	return sal_False;
}

//-------------------------------------------------------------------------
uno::Sequence< ::rtl::OUString > SAL_CALL MainThreadExecutor::getSupportedServiceNames()
		throw ( uno::RuntimeException )
{
	return impl_staticGetSupportedServiceNames();
}

//-------------------------------------------------------------------------
MainThreadExecutorRequest::MainThreadExecutorRequest( const uno::Reference< task::XJob >& xJob,
													const uno::Sequence< beans::NamedValue >& aValues )
: m_xJob( xJob )
, m_aValues( aValues )
{
}

//-------------------------------------------------------------------------
void MainThreadExecutorRequest::doIt()
{
	if ( m_xJob.is() )
		m_xJob->execute( m_aValues );
}